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<body><h1><a href="http://ejohn.org/blog/processingjs/">Processing.js</a></h1>
<h2>PieChart</h2>

<p>By Ira Greenberg 

Uses the arc() function to generate a pie chart from the data
stored in an array.</p>

<p><a href="http://processing.org/learning/basics/piechart.html"><b>Original Processing.org Example:</b> PieChart</a><br>
<script type="application/processing">
size(200, 200);
background(100);
smooth();
noStroke();

int diameter = 150;
int[] angs = { 30, 10, 45, 35, 60, 38, 75, 67 };
float lastAng = 0;

for (int i=0; i<angs.length; i++){
  fill(angs[i] * 3.0);
  arc(width/2, height/2, diameter, diameter, lastAng, lastAng+radians(angs[i]));
  lastAng += radians(angs[i]);  
}
</script><canvas width="200" height="200"></canvas></p>
<div style="height:0px;width:0px;overflow:hidden;"></div>

<pre><b>// All Examples Written by <a href="http://reas.com/">Casey Reas</a> and <a href="http://benfry.com/">Ben Fry</a>
// unless otherwise stated.</b>
size(200, 200);
background(100);
smooth();
noStroke();

int diameter = 150;
int[] angs = {30, 10, 45, 35, 60, 38, 75, 67};
float lastAng = 0;

for (int i=0; i&lt;angs.length; i++){
  fill(angs[i] * 3.0);
  arc(width/2, height/2, diameter, diameter, lastAng, lastAng+radians(angs[i]));
  lastAng += radians(angs[i]);  
}</pre>
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